He spoke with authority on the topic.
他就这个课题发表权威意见。
He chose an uncontroversial topic for his speech.
他为自己的演讲选择了一个不会引起争议的话题。
The main topic of conversation was Tom's new girlfriend.
交谈的主要话题是汤姆的新女友。
No one article can ever do justice to the topic of fraud.
没有一篇文章能恰如其分地处理欺诈这一主题。
The weather is a constant topic of conversation in Alaska.
天气在阿拉斯加是一个永恒的交谈话题。
She kept skipping from one topic of conversation to another.
她一再转换谈话的话题。
I have a meeting with my supervisor about my research topic.
我要就我的研究课题同导师见一次面。
Their websites contain a wealth of information on the topic.
他们的网站上有大量与该主题相关的信息。
She cast around desperately for a safe topic of conversation.
她绞尽脑汁寻找稳妥的话题。
Choose an essay topic that you can really get your teeth into.
选择一个你可以真正悉心钻研的论文题目。
The main topic of conversation was the likely outcome of the election.
谈话的主题是选举可能产生的结果。
They had obviously been hoping to approach the topic with more subtlety.
他们显然一直在希望更巧妙地切入这个话题。
That's much too large a topic.
这个话题太大了。
I would just stick to the topic.
我只想紧扣主题。
What's the topic of this passage?
这篇文章的主题是什么？
Can you remind me what your topic is?
你能告诉我你的主题是什么吗？
He has led up to his favourite topic.
他把谈话逐渐引导到自己最热衷的话题上。
Read about a topic people disagree on.
阅读人们不同意的话题。
Really? So have you got the topic yet?
真的？你找到主题了吗？
The topic of this speech is about action.
这次演讲的主题是关于行动的。
The topic of my talk today is gift-giving.
我今天演讲的主题是送礼。
No, you can write about any topic you like.
不，你可以写任何你喜欢的话题。
My topic today is how to feed a hungry world.
我今天的主题是，如何养活一个饥饿的世界。
In biology this week, the topic is Human Body.
本周生物学的主题是人体。
Deciding on a topic for a project is difficult.
为一个项目决定一个主题是困难的。
Can you cut the topic down to a manageable size?
你能把这个话题缩减到一个可以处理的范围吗？
I'm afraid you have to adhere to the assigned topic.
恐怕你必须遵循指定的主题。
First of all, you need to do something about your topic.
首先，你需要对你的主题做点什么。
Recently, piracy has become a hot topic under discussion.
近来，盗版成为人们讨论的热门话题。
The most popular option: write on a topic of your choice.
最受欢迎的选项：自选写作主题。
应用推荐